| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a new polarization controller for converting optional polarized light to another optional polarized light. <P>SOLUTION: In the polarization controller, a first collimator, a first variable polarization rotator, a first 1/4 wavelength plate, a second variable polarization rotator, a second 1/4 wavelength plate, a third variable polarization rotator, and a second collimator are arranged in this order from the incident side of polarized light through to the emitting side of converted polarized light. <P>COPYRIGHT: (C)2003,JPO</p> |
